Home / 13,939.93-20,914.26-4,580.02

Finding the Fourth Proportional to 13,939.93, 20,914.26 and 4,580.02

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Solution

The fourth proportional to 13,939.93, 20,914.26 and 4,580.02 is: 6,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.93 : 20,914.26 = 4,580.02 : x
  2. Step 2: Convert to fraction form
    13,939.93/20,914.26 = 4,580.02/x
  3. Step 3: Cross multiply
    13,939.93x = 20,914.26 × 4,580.02
  4. Step 4: Simplify right side
    13,939.93x = 95,787,729.09
  5. Step 5: Solve for x
    x = 95,787,729.09/13,939.93
  6. Step 6: Final answer
    x = 6,871.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.